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Stockholders' Equity - Additional Information (Detail) $ / shares in Units, U_xbrlipure in Thousands	4 Months Ended	5 Months Ended	12 Months Ended
	Jul. 31, 2017 USD ($) shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Mar. 31, 2017 USD ($) shares
Stockholders Equity Note [Line Items]
Shares repurchased during period, shares	0	0	0	0
Dividends declared | $	$ 0	$ 0	$ 0	$ 0
New creditors Warrant Issued		11,543,814	821,308
Warrant exercisable conversion ratio			1,100
Creditor Warrants
Stockholders Equity Note [Line Items]
Warrants exercise price | $ / shares			$ 0.01
Stock issued during period, Value | $			$ 2,300,000
Stock issued during period, shares, acquisitions			1,281,573
Equity Warrants
Stockholders Equity Note [Line Items]
Warrants exercise price | $ / shares			$ 100.00
Stock issued during period, Value | $			$ 800,000
Stock issued during period, shares, acquisitions			0
Series A Warrants
Stockholders Equity Note [Line Items]
New creditors Warrant Issued		2,432,432	0
Warrants exercise price | $ / shares		$ 57,060,000.00
Series B Warrants
Stockholders Equity Note [Line Items]
New creditors Warrant Issued		2,629,657	0
Warrants exercise price | $ / shares		$ 62,280,000

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Number of shares of stock issued during the period pursuant to acquisitions.

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